externaltask request_error_details does not use same requests session as other calls

[hoopes]

Hello,

I'm using a custom requests.Session that has authentication pre-applied. When using external task Get or GetList, the default is for request_error_details to be True, which uses requests.get and not the session. For me, this caused a 401 error, since it did not send the authentication from the session.

https://github.com/pklauke/pycamunda/blob/master/pycamunda/externaltask.py#L120
https://github.com/pklauke/pycamunda/blob/master/pycamunda/externaltask.py#L269

Thanks, love the lib!

[codeaudio]

i found same problem
i fix it in my fork https://github.com/codeaudio/pycamunda
and i change default request_error_details = True to request_error_details = False](#44)